Weather Records on 20 March 1948

697 weather records were set or tied worldwide on 20 March 1948. Highest significance: Mount Forest, CA.

Key Facts for 20 March 1948

On 20 March 1948, 697 weather records were set or tied at long-record stations worldwide.
388 were record highs and 92 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 28 monthly and 668 daily.
Mount Forest set a daily record precipitation of 37.6 mm (1.5 in) on 20 March 1948.
Across 166 earlier years (1808 to 2026) the same calendar date averaged 454 records.

Record Map

697 stations

697 station records on 20 March 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 March 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mount Forest	Canada	Record daily precipitation	37.6 mm (1.5 in)	59 of 100 (Notable)
Cumbalum (Fairview)	Australia	Record daily precipitation	111.5 mm (4.4 in)	53 of 100 (Notable)
Moora	Australia	Record daily precipitation	56.9 mm (2.2 in)	52 of 100 (Notable)
Bear Creek	Canada	Record daily precipitation	109.2 mm (4.3 in)	52 of 100 (Notable)
Alton	Canada	Record daily precipitation	35.1 mm (1.4 in)	52 of 100 (Notable)
Sooke Lake	Canada	Record daily precipitation	59.7 mm (2.4 in)	50 of 100 (Notable)
Grimsby Rock Chapel	Canada	Record daily precipitation	25.7 mm (1.0 in)	44 of 100 (Notable)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	83.8 mm (3.3 in)	43 of 100 (Notable)
Goldstream Lake	Canada	Record daily precipitation	68.1 mm (2.7 in)	41 of 100 (Notable)
Mill Bay	Canada	Record daily snowfall	39.4 cm (15.5 in)	41 of 100 (Notable)
Bushy Vales, Margate	South Africa	Record daily precipitation	209.3 mm (8.2 in)	39 of 100 (Notable)
Olean	United States	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Mayville	United States	Record snow depth	45.7 cm (18.0 in)	37 of 100 (Notable)
Kokardine	Australia	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Saltspring Island	Canada	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Bamfield	Canada	Record daily precipitation	73.9 mm (2.9 in)	36 of 100 (Notable)
Ioco Refinery	Canada	Record daily precipitation	56.9 mm (2.2 in)	36 of 100 (Notable)
Tabankulu (Bos)	South Africa	Record daily precipitation	54.4 mm (2.1 in)	36 of 100 (Notable)
Mogumber	Australia	Record daily precipitation	30.2 mm (1.2 in)	35 of 100 (Notable)
Ejanding	Australia	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Hyde Park	Australia	Record daily precipitation	62.2 mm (2.4 in)	34 of 100 (Routine)
Lake Spaulding	United States	Record low minimum temperature	-15.6 C (3.9 F)	34 of 100 (Routine)
Emporium 1 E	United States	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Kloofend	South Africa	Record daily precipitation	110.0 mm (4.3 in)	33 of 100 (Routine)
Barletta	South Africa	Record daily precipitation	50.8 mm (2.0 in)	33 of 100 (Routine)
Plain Dealing	United States	Record daily precipitation	55.4 mm (2.2 in)	32 of 100 (Routine)
Barberton	Australia	Record daily precipitation	62.2 mm (2.4 in)	31 of 100 (Routine)
Wauchope (Avondale Street)	Australia	Record daily precipitation	75.2 mm (3.0 in)	31 of 100 (Routine)
Armstrong	Canada	Record daily snowfall	7.1 cm (2.8 in)	31 of 100 (Routine)
University	United States	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Mildred	United States	Record daily snowfall	10.2 cm (4.0 in)	30 of 100 (Routine)
Goodwater	United States	Record high minimum temperature	20.0 C (68.0 F)	29 of 100 (Routine)
Rome	United States	Record high minimum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Dairy Creek	Australia	Record daily precipitation	40.1 mm (1.6 in)	28 of 100 (Routine)
Dalwallinu Comparison	Australia	Record daily precipitation	63.0 mm (2.5 in)	28 of 100 (Routine)
Dahlonega 4WSW	United States	Record high minimum temperature	17.2 C (63.0 F)	28 of 100 (Routine)
Mayville	United States	Record daily snowfall	8.1 cm (3.2 in)	28 of 100 (Routine)
Milgun	Australia	Record daily precipitation	44.5 mm (1.8 in)	27 of 100 (Routine)
Wetumpka	United States	Record high minimum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Escalante	United States	Record daily snowfall	5.1 cm (2.0 in)	27 of 100 (Routine)
Jacksonville Wb City	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Mombaca	Brazil	Record daily precipitation	64.3 mm (2.5 in)	26 of 100 (Routine)
Barkerville	Canada	Record daily snowfall	20.3 cm (8.0 in)	26 of 100 (Routine)
Headworks Portland Wtr B	United States	Record daily snowfall	5.1 cm (2.0 in)	26 of 100 (Routine)
Woodstock	United States	Record daily precipitation	26.7 mm (1.1 in)	26 of 100 (Routine)
Poronajsk	Russia	Record high minimum temperature	-0.3 C (31.5 F)	25 of 100 (Routine)
Heidelberg I	South Africa	Record daily precipitation	37.8 mm (1.5 in)	25 of 100 (Routine)
Eastport	United States	Record high maximum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Trenton 2	United States	Record high minimum temperature	12.2 C (54.0 F)	25 of 100 (Routine)
Trenton Falls	United States	Record daily precipitation	41.1 mm (1.6 in)	25 of 100 (Routine)
Knoxville AP	United States	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Mindalla	Australia	Record daily precipitation	36.1 mm (1.4 in)	24 of 100 (Routine)
Upper Orara (Aurania)	Australia	Record daily precipitation	128.0 mm (5.0 in)	24 of 100 (Routine)
Port Alberni	Canada	Record daily precipitation	50.0 mm (2.0 in)	24 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record high minimum temperature	9.4 C (48.9 F)	24 of 100 (Routine)
Flagstaff (Tnk)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	24 of 100 (Routine)
Lincoln Lock 4	United States	Record high minimum temperature	20.0 C (68.0 F)	24 of 100 (Routine)
Deer Creek Ph	United States	Record low minimum temperature	-7.2 C (19.0 F)	24 of 100 (Routine)
Lake Eleanor	United States	Record low minimum temperature	-10.6 C (12.9 F)	24 of 100 (Routine)
Palestine	United States	Record high maximum temperature	27.8 C (82.0 F)	24 of 100 (Routine)

Counts by Type and Timescale

697 records

Records set or tied on 20 March 1948 by type: Highest daily maximum 159, Lowest daily maximum 49, Highest daily minimum 229, Lowest daily minimum 43, Heaviest daily rainfall 179, Heaviest daily snowfall 28, Deepest snow cover 10.

Records on 20 March 1948 by type
Record type	Records
Highest daily maximum	159
Lowest daily maximum	49
Highest daily minimum	229
Lowest daily minimum	43
Heaviest daily rainfall	179
Heaviest daily snowfall	28
Deepest snow cover	10

Records on 20 March 1948 by timescale: all-time 1, monthly 28, daily 668.

How Much Records Were Beaten By

529 broken records

Margins by which the 529 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 850.0. Ties are not counted.

Top 20 by Significance

20 March 1948

Top 20 records on 20 March 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 March 1948	Mount Forest, CA	daily rain	37.6 mm (1.5 in)	22.9 mm (0.9 in)	50 years	59 of 100 (Notable)
20 March 1948	Cumbalum (Fairview), AU	daily rain	111.5 mm (4.4 in)	82.3 mm (3.2 in)	36 years	53 of 100 (Notable)
20 March 1948	Moora, AU	daily rain	56.9 mm (2.2 in)	45.5 mm (1.8 in)	31 years	52 of 100 (Notable)
20 March 1948	Bear Creek, CA	daily rain	109.2 mm (4.3 in)	72.9 mm (2.9 in)	30 years	52 of 100 (Notable)
20 March 1948	Alton, CA	daily rain	35.1 mm (1.4 in)	19.9 mm (0.8 in)	42 years	52 of 100 (Notable)
20 March 1948	Sooke Lake, CA	daily rain	59.7 mm (2.4 in)	36.1 mm (1.4 in)	44 years	50 of 100 (Notable)
20 March 1948	Grimsby Rock Chapel, CA	daily rain	25.7 mm (1.0 in)	19.3 mm (0.8 in)	26 years	44 of 100 (Notable)
20 March 1948	Port Macquarie (Bellevue Garde, AU	daily rain	83.8 mm (3.3 in)	21.3 mm (0.8 in)	70 years	43 of 100 (Notable)
20 March 1948	Goldstream Lake, CA	daily rain	68.1 mm (2.7 in)	29.0 mm (1.1 in)	30 years	41 of 100 (Notable)
20 March 1948	Mill Bay, CA	daily snowfall	39.4 cm (15.5 in)	28.0 cm (11.0 in)	29 years	41 of 100 (Notable)
20 March 1948	Bushy Vales, Margate, ZA	monthly rain	209.3 mm (8.2 in)	42.9 mm (1.7 in)	21 years	39 of 100 (Notable)
20 March 1948	Olean, US	daily rain	29.5 mm (1.2 in)	20.9 mm (0.8 in)	12 years	38 of 100 (Notable)
20 March 1948	Mayville, US	daily snow depth	45.7 cm (18.0 in)	35.5 cm (14.0 in)	1 year	37 of 100 (Notable)
20 March 1948	Kokardine, AU	daily rain	40.6 mm (1.6 in)	23.1 mm (0.9 in)	21 years	36 of 100 (Notable)
20 March 1948	Saltspring Island, CA	daily rain	25.4 mm (1.0 in)	13.5 mm (0.5 in)	31 years	36 of 100 (Notable)
20 March 1948	Bamfield, CA	daily rain	73.9 mm (2.9 in)	33.3 mm (1.3 in)	43 years	36 of 100 (Notable)
20 March 1948	Ioco Refinery, CA	daily rain	56.9 mm (2.2 in)	29.7 mm (1.2 in)	30 years	36 of 100 (Notable)
20 March 1948	Tabankulu (Bos), ZA	daily rain	54.4 mm (2.1 in)	31.3 mm (1.2 in)	30 years	36 of 100 (Notable)
20 March 1948	Mogumber, AU	daily rain	30.2 mm (1.2 in)	28.9 mm (1.1 in)	19 years	35 of 100 (Notable)
20 March 1948	Ejanding, AU	daily rain	55.9 mm (2.2 in)	27.7 mm (1.1 in)	21 years	35 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1808 to 1948

Records set or tied on this calendar date in each year from 1808 to 1948. 1948 had 697 records.

Counts for years before the ledger starts come from the same station rules.

Records on 03-20 in each year
Year	Records
1808	3
1818	1
1822	2
1830	1
1834	1
1838	1
1845	1
1849	3
1850	1
1852	1
1853	1
1858	1
1862	1
1865	11
1866	1
1870	1
1872	2
1873	1
1874	2
1875	2
1876	2
1879	2
1881	2
1882	2
1883	1
1884	2
1885	3
1886	2
1887	3
1888	5
1889	5
1890	1
1892	1
1893	2
1894	5
1895	2
1896	5
1897	2
1898	5
1899	9
1900	8
1901	6
1902	13
1903	34
1904	12
1905	6
1906	16
1907	17
1908	4
1909	6
1910	20
1911	35
1912	12
1913	42
1914	51
1915	22
1916	46
1917	49
1918	40
1919	31
1920	52
1921	93
1922	49
1923	275
1924	76
1925	121
1926	103
1927	298
1928	258
1929	56
1930	86
1931	492
1932	117
1933	354
1934	243
1935	408
1936	245
1937	220
1938	394
1939	240
1940	486
1941	390
1942	325
1943	378
1944	611
1945	636
1946	435
1947	299
1948	697
1949	352
1950	367
1951	788
1952	589
1953	350
1954	303
1955	719
1956	527
1957	516
1958	467
1959	293
1960	594
1961	332
1962	363
1963	447
1964	525
1965	2,020
1966	367
1967	784
1968	819
1969	374
1970	912
1971	377
1972	635
1973	422
1974	755
1975	932
1976	989
1977	352
1978	863
1979	712
1980	458
1981	712
1982	1,189
1983	1,179
1984	775
1985	636
1986	666
1987	867
1988	1,044
1989	793
1990	1,496
1991	1,205
1992	654
1993	1,014
1994	1,040
1995	857
1996	1,147
1997	1,801
1998	963
1999	793
2000	894
2001	1,048
2002	1,698
2003	1,166
2004	1,701
2005	602
2006	1,353
2007	1,053
2008	993
2009	445
2010	1,264
2011	1,003
2012	3,051
2013	762
2014	800
2015	521
2016	450
2017	1,331
2018	587
2019	530
2020	1,006
2021	487
2022	667
2023	975
2024	520
2025	848
2026	3,126

Download the Data

Data for records on 1948-03-20: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 200	526
200 to 400	2
400 to 600	0
600 to 800	0
800 to 1000	1